Revascularization Rates and Associated Costs in Patients With Stable Ischemic Heart Disease Initiating Ranolazine Versus Traditional Antianginals as Add-on Therapy
2019
To assess the frequency and costs of revascularization procedures in patients with stable ischemic heart disease (SIHD) initiating ranolazine versus traditional antianginals. Adults (≥18 years) with a diagnosis of SIHD who initiated ranolazine or a traditional antianginal (beta-blocker [BB], calcium channel blocker [CCB], or long-acting nitrate [LAN]) as second or third line therapy between 2008 and 2016, were selected from the IBM MarketScan Databases. Inverse probability weighting based on propensity score was employed to balance the ranolazine and traditional antianginals cohorts on patient clinical characteristics. Outcomes assessed were frequency and total cost of revascularization procedures over a 12-month follow-up. A total of 108,741 patients with SIHD were included. Of these, 18% initiated treatment with ranolazine, 21% received BBs, 24% received CCBs, and 37% were treated with LANs. Revascularization rates were significantly lower in ranolazine patients (11%) than in BB (16%) and LAN (14%) patients (both p
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